>> kyung lah in los angeles for us. thank you so much. >>> it's a circus at stores today but if you can stay patient and fight the urge to fashion a shive out of a candy cane, there are serious deals to be found. stores have every reason to entice you because black friday represents 20% of annual revenue for retailers. i want to bring in a consumer spending and retail analyst with hp retail advisory. i want to ask you, it's black friday, every year we see the pictures of folks rushing into the stores and sometimes falling on top of each other and sometimes doing worse. the question i always have, are the bargains really worth all of this? >> i think the bargains are worth it if these people have their hearts set on specific products. i mean, here's the thing. the people that are going to black friday, they have been saving up their money all year long and this is the only time that they can get that discount on some of these products. i got some of the numbers from walmart. just to give you an idea of what was selling y